<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>扩展运算符应用</title>
</head>
<body>
    <div></div>
    <div></div>
    <div></div>
    <script>
        //1. 数组的合并
        const kuaizi = ['王太利','肖央'];
        const fenghuang  = ['曾毅','玲花'];

        // const a = kuaizi.concat(fenghuang);
        // console.log(a);

        const a = [...kuaizi,...fenghuang];
        console.log(a)


        // 2 数组的克隆
        const san = ['E','G'];
        const sanyecao = [...san];
        console.log(sanyecao)

        // 3 将伪数组转为真正的数组
        const divs = document.querySelectorAll('div');
        console.log(divs)

        const divArr = [...divs];
        console.log(divArr);
        
    </script>

    
</body>
</html>